diff --git a/intervention/forms/modalForms.py b/intervention/forms/modalForms.py
index b126f47..fb6ee08 100644
--- a/intervention/forms/modalForms.py
+++ b/intervention/forms/modalForms.py
@@ -16,10 +16,9 @@ from compensation.models import EcoAccount, EcoAccountDeduction
 from intervention.inputs import TextToClipboardInput
 from intervention.models import Revocation, RevocationDocument, Intervention
 from konova.forms import BaseModalForm
-from konova.settings import ZB_GROUP, ETS_GROUP
 from konova.utils.general import format_german_float
 from konova.utils.messenger import Messenger
-from konova.utils.user_checks import in_group
+from konova.utils.user_checks import is_default_group_only
 from user.models import UserActionLogEntry, UserAction
 
 
@@ -36,6 +35,21 @@ class ShareInterventionModalForm(BaseModalForm):
             }
         )
     )
+    user_select = forms.ModelMultipleChoiceField(
+        label=_("Add user to share with"),
+        label_suffix="",
+        help_text=_("Multiple selection possible - You can only select users which do not already have access"),
+        required=False,
+        queryset=User.objects.all(),
+        widget=autocomplete.ModelSelect2Multiple(
+            url="share-user-autocomplete",
+            attrs={
+                "data-placeholder": _("Click for selection"),
+                "data-minimum-input-length": 3,
+            },
+            forward=["users"]
+        ),
+    )
     users = forms.MultipleChoiceField(
         label=_("Shared with"),
         label_suffix="",
@@ -78,28 +92,39 @@ class ShareInterventionModalForm(BaseModalForm):
         )
 
         # Initialize users field
-        # Remove field if user is not in registration or conservation group
-        if not in_group(self.request.user, ZB_GROUP) and not in_group(self.request.user, ETS_GROUP):
-            del self.fields["users"]
-        else:
-            users = self.instance.users.all()
-            choices = []
-            for n in users:
-                choices.append(
-                    (n.id, n.username)
-                )
-            self.fields["users"].choices = choices
-            u_ids = list(users.values_list("id", flat=True))
-            self.initialize_form_field(
-                "users",
-                u_ids
+        # Disable field if user is not in registration or conservation group
+        if is_default_group_only(self.request.user):
+            self.disable_form_field("users")
+
+        self._add_user_choices_to_field()
+
+    def _add_user_choices_to_field(self):
+        """ Transforms the instance's sharing users into a list for the form field
+
+        Returns:
+
+        """
+        users = self.instance.users.all()
+        choices = []
+        for n in users:
+            choices.append(
+                (n.id, n.username)
             )
+        self.fields["users"].choices = choices
+        u_ids = list(users.values_list("id", flat=True))
+        self.initialize_form_field(
+            "users",
+            u_ids
+        )
 
     def save(self):
-        accessing_users = User.objects.filter(
-            id__in=self.cleaned_data["users"]
+        still_accessing_users = self.cleaned_data["users"]
+        new_accessing_users = list(self.cleaned_data["user_select"].values_list("id", flat=True))
+        accessing_users = still_accessing_users + new_accessing_users
+        users = User.objects.filter(
+            id__in=accessing_users
         )
-        self.instance.share_with_list(accessing_users)
+        self.instance.share_with_list(users)
 
 
 class NewRevocationModalForm(BaseModalForm):
diff --git a/intervention/views.py b/intervention/views.py
index 8c0838c..c2a87d6 100644
--- a/intervention/views.py
+++ b/intervention/views.py
@@ -11,7 +11,6 @@ from intervention.tables import InterventionTable
 from konova.contexts import BaseContext
 from konova.decorators import *
 from konova.forms import SimpleGeomForm, NewDocumentForm, RemoveModalForm, RecordModalForm
-from konova.sub_settings.django_settings import DEFAULT_DATE_FORMAT
 from konova.utils.documents import remove_document, get_document
 from konova.utils.generators import generate_qr_code
 from konova.utils.message_templates import INTERVENTION_INVALID, FORM_INVALID, IDENTIFIER_REPLACED, \
@@ -403,7 +402,7 @@ def create_share_view(request: HttpRequest, id: str):
 
     """
     intervention = get_object_or_404(Intervention, id=id)
-    form = ShareInterventionModalForm(request.POST or None, instance=intervention, request=request)
+    form = ShareInterventionModalForm(request.POST or None, instance=intervention, request=request, user=request.user)
     return form.process_request(
         request,
         msg_success=_("Share settings updated")
diff --git a/konova/autocompletes.py b/konova/autocompletes.py
index 36e585b..f0fb0fe 100644
--- a/konova/autocompletes.py
+++ b/konova/autocompletes.py
@@ -6,6 +6,7 @@ Created on: 07.12.20
 
 """
 from dal_select2.views import Select2QuerySetView
+from django.contrib.auth.models import User
 from django.db.models import Q
 
 from codelist.models import KonovaCode
@@ -60,6 +61,29 @@ class InterventionAutocomplete(Select2QuerySetView):
         return qs
 
 
+class ShareUserAutocomplete(Select2QuerySetView):
+    """ Autocomplete for intervention entries
+
+    Only returns entries that are accessible for the requesting user
+
+    """
+    def get_queryset(self):
+        if self.request.user.is_anonymous:
+            return User.objects.none()
+        exclude_user_ids = self.forwarded.get("users", [None])
+        _exclude = {"id__in": exclude_user_ids}
+        qs = User.objects.all().exclude(
+            **_exclude
+        ).order_by(
+            "username"
+        )
+        if self.q:
+            qs = qs.filter(
+                username__istartswith=self.q
+            )
+        return qs
+
+
 class KonovaCodeAutocomplete(Select2QuerySetView):
     """
     Provides simple autocomplete functionality for codes
diff --git a/konova/urls.py b/konova/urls.py
index 820de41..1954d29 100644
--- a/konova/urls.py
+++ b/konova/urls.py
@@ -19,7 +19,8 @@ from django.urls import path, include
 
 from konova.autocompletes import EcoAccountAutocomplete, \
     InterventionAutocomplete, CompensationActionCodeAutocomplete, BiotopeCodeAutocomplete, LawCodeAutocomplete, \
-    RegistrationOfficeCodeAutocomplete, ConservationOfficeCodeAutocomplete, ProcessTypeCodeAutocomplete
+    RegistrationOfficeCodeAutocomplete, ConservationOfficeCodeAutocomplete, ProcessTypeCodeAutocomplete, \
+    ShareUserAutocomplete
 from konova.settings import SSO_SERVER, SSO_PUBLIC_KEY, SSO_PRIVATE_KEY, DEBUG
 from konova.sso.sso import KonovaSSOClient
 from konova.views import logout_view, home_view, remove_deadline_view
@@ -50,6 +51,7 @@ urlpatterns = [
     path("atcmplt/codes/prc-type", ProcessTypeCodeAutocomplete.as_view(), name="codes-process-type-autocomplete"),
     path("atcmplt/codes/reg-off", RegistrationOfficeCodeAutocomplete.as_view(), name="codes-registration-office-autocomplete"),
     path("atcmplt/codes/cons-off", ConservationOfficeCodeAutocomplete.as_view(), name="codes-conservation-office-autocomplete"),
+    path("atcmplt/share/u", ShareUserAutocomplete.as_view(), name="share-user-autocomplete"),
 ]
 
 if DEBUG:
diff --git a/konova/utils/user_checks.py b/konova/utils/user_checks.py
index d6b688b..a01dadb 100644
--- a/konova/utils/user_checks.py
+++ b/konova/utils/user_checks.py
@@ -7,6 +7,8 @@ Created on: 02.07.21
 """
 from django.contrib.auth.models import User
 
+from konova.settings import ETS_GROUP, ZB_GROUP
+
 
 def in_group(user: User, group: str) -> bool:
     """ Checks if the user is part of a group
@@ -21,3 +23,15 @@ def in_group(user: User, group: str) -> bool:
     return user.groups.filter(
         name=group
     )
+
+
+def is_default_group_only(user: User) -> bool:
+    """ Checks if the user is only part of the default group
+
+    Args:
+        user (User): The user object
+
+    Returns:
+        bool
+    """
+    return not in_group(user, ZB_GROUP) and not in_group(user, ETS_GROUP)
\ No newline at end of file
diff --git a/locale/de/LC_MESSAGES/django.mo b/locale/de/LC_MESSAGES/django.mo
index 21785a4..066b53d 100644
Binary files a/locale/de/LC_MESSAGES/django.mo and b/locale/de/LC_MESSAGES/django.mo differ
diff --git a/locale/de/LC_MESSAGES/django.po b/locale/de/LC_MESSAGES/django.po
index 5c6f50a..95b1218 100644
--- a/locale/de/LC_MESSAGES/django.po
+++ b/locale/de/LC_MESSAGES/django.po
@@ -9,8 +9,8 @@
 #: intervention/filters.py:26 intervention/filters.py:40
 #: intervention/filters.py:47 intervention/filters.py:48
 #: intervention/forms/forms.py:53 intervention/forms/forms.py:155
-#: intervention/forms/forms.py:167 intervention/forms/modalForms.py:108
-#: intervention/forms/modalForms.py:121 intervention/forms/modalForms.py:134
+#: intervention/forms/forms.py:167 intervention/forms/modalForms.py:123
+#: intervention/forms/modalForms.py:136 intervention/forms/modalForms.py:149
 #: konova/forms.py:142 konova/forms.py:247 konova/forms.py:313
 #: konova/forms.py:340 konova/forms.py:350 konova/forms.py:363
 #: konova/forms.py:375 konova/forms.py:396 user/forms.py:38
@@ -19,7 +19,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version: PACKAGE VERSION\n"
 "Report-Msgid-Bugs-To: \n"
-"POT-Creation-Date: 2021-11-15 11:46+0100\n"
+"POT-Creation-Date: 2021-11-15 13:40+0100\n"
 "PO-Revision-Date: YEAR-MO-DA HO:MI+ZONE\n"
 "Last-Translator: FULL NAME <EMAIL@ADDRESS>\n"
 "Language-Team: LANGUAGE <LL@li.org>\n"
@@ -56,7 +56,7 @@ msgstr "Verantwortliche Stelle"
 #: analysis/forms.py:58 compensation/forms/forms.py:87
 #: compensation/forms/forms.py:138 intervention/forms/forms.py:63
 #: intervention/forms/forms.py:80 intervention/forms/forms.py:96
-#: intervention/forms/forms.py:112
+#: intervention/forms/forms.py:112 intervention/forms/modalForms.py:48
 msgid "Click for selection"
 msgstr "Auswählen..."
 
@@ -210,7 +210,7 @@ msgstr "Abbuchungen"
 #: compensation/templates/compensation/detail/eco_account/includes/states-before.html:36
 #: ema/templates/ema/detail/includes/states-after.html:36
 #: ema/templates/ema/detail/includes/states-before.html:36
-#: intervention/forms/modalForms.py:276
+#: intervention/forms/modalForms.py:291
 msgid "Surface"
 msgstr "Fläche"
 
@@ -273,7 +273,7 @@ msgid "Type"
 msgstr "Typ"
 
 #: analysis/templates/analysis/reports/includes/old_data/amount.html:24
-#: intervention/forms/modalForms.py:287 intervention/forms/modalForms.py:294
+#: intervention/forms/modalForms.py:302 intervention/forms/modalForms.py:309
 #: intervention/tables.py:88
 #: intervention/templates/intervention/detail/view.html:19
 #: konova/templates/konova/home.html:11 templates/navbars/navbar.html:22
@@ -283,7 +283,7 @@ msgstr "Eingriff"
 #: analysis/templates/analysis/reports/includes/old_data/amount.html:34
 #: compensation/tables.py:224
 #: compensation/templates/compensation/detail/eco_account/view.html:19
-#: intervention/forms/modalForms.py:260 intervention/forms/modalForms.py:267
+#: intervention/forms/modalForms.py:275 intervention/forms/modalForms.py:282
 #: konova/templates/konova/home.html:88 templates/navbars/navbar.html:34
 msgid "Eco-account"
 msgstr "Ökokonto"
@@ -350,7 +350,7 @@ msgstr "Kompensation XY; Flur ABC"
 #: ema/templates/ema/detail/includes/actions.html:34
 #: ema/templates/ema/detail/includes/deadlines.html:34
 #: ema/templates/ema/detail/includes/documents.html:31
-#: intervention/forms/forms.py:179 intervention/forms/modalForms.py:133
+#: intervention/forms/forms.py:179 intervention/forms/modalForms.py:148
 #: intervention/templates/intervention/detail/includes/documents.html:31
 #: intervention/templates/intervention/detail/includes/payments.html:34
 #: intervention/templates/intervention/detail/includes/revocation.html:38
@@ -452,7 +452,7 @@ msgid "Due on which date"
 msgstr "Zahlung wird an diesem Datum erwartet"
 
 #: compensation/forms/modalForms.py:63 compensation/forms/modalForms.py:274
-#: compensation/forms/modalForms.py:369 intervention/forms/modalForms.py:135
+#: compensation/forms/modalForms.py:369 intervention/forms/modalForms.py:150
 #: konova/forms.py:376
 msgid "Additional comment, maximum {} letters"
 msgstr "Zusätzlicher Kommentar, maximal {} Zeichen"
@@ -477,7 +477,7 @@ msgstr "Biotoptyp"
 msgid "Select the biotope type"
 msgstr "Biotoptyp wählen"
 
-#: compensation/forms/modalForms.py:155 intervention/forms/modalForms.py:278
+#: compensation/forms/modalForms.py:155 intervention/forms/modalForms.py:293
 msgid "in m²"
 msgstr ""
 
@@ -509,7 +509,7 @@ msgstr "Fristart wählen"
 #: compensation/templates/compensation/detail/compensation/includes/deadlines.html:31
 #: compensation/templates/compensation/detail/eco_account/includes/deadlines.html:31
 #: ema/templates/ema/detail/includes/deadlines.html:31
-#: intervention/forms/modalForms.py:107
+#: intervention/forms/modalForms.py:122
 msgid "Date"
 msgstr "Datum"
 
@@ -888,14 +888,14 @@ msgstr "Zuletzt bearbeitet"
 
 #: compensation/templates/compensation/detail/compensation/view.html:79
 #: compensation/templates/compensation/detail/eco_account/view.html:82
-#: ema/templates/ema/detail/view.html:69 intervention/forms/modalForms.py:40
+#: ema/templates/ema/detail/view.html:69 intervention/forms/modalForms.py:55
 #: intervention/templates/intervention/detail/view.html:116
 msgid "Shared with"
 msgstr "Freigegeben für"
 
 #: compensation/templates/compensation/detail/eco_account/includes/controls.html:15
 #: ema/templates/ema/detail/includes/controls.html:15
-#: intervention/forms/modalForms.py:54
+#: intervention/forms/modalForms.py:69
 #: intervention/templates/intervention/detail/includes/controls.html:15
 msgid "Share"
 msgstr "Freigabe"
@@ -1031,7 +1031,7 @@ msgstr "Kompensation {} bearbeitet"
 
 #: compensation/views/compensation_views.py:220
 #: compensation/views/eco_account_views.py:307 ema/views.py:182
-#: intervention/views.py:476
+#: intervention/views.py:475
 msgid "Log"
 msgstr "Log"
 
@@ -1041,7 +1041,7 @@ msgstr "Kompensation entfernt"
 
 #: compensation/views/compensation_views.py:264
 #: compensation/views/eco_account_views.py:459 ema/views.py:349
-#: intervention/views.py:130
+#: intervention/views.py:129
 msgid "Document added"
 msgstr "Dokument hinzugefügt"
 
@@ -1087,36 +1087,36 @@ msgid "Deduction removed"
 msgstr "Abbuchung entfernt"
 
 #: compensation/views/eco_account_views.py:328 ema/views.py:262
-#: intervention/views.py:518
+#: intervention/views.py:517
 msgid "{} unrecorded"
 msgstr "{} entzeichnet"
 
 #: compensation/views/eco_account_views.py:328 ema/views.py:262
-#: intervention/views.py:518
+#: intervention/views.py:517
 msgid "{} recorded"
 msgstr "{} verzeichnet"
 
-#: compensation/views/eco_account_views.py:529 intervention/views.py:499
+#: compensation/views/eco_account_views.py:529 intervention/views.py:498
 msgid "Deduction added"
 msgstr "Abbuchung hinzugefügt"
 
 #: compensation/views/eco_account_views.py:612 ema/views.py:517
-#: intervention/views.py:374
+#: intervention/views.py:373
 msgid "{} has already been shared with you"
 msgstr "{} wurde bereits für Sie freigegeben"
 
 #: compensation/views/eco_account_views.py:617 ema/views.py:522
-#: intervention/views.py:379
+#: intervention/views.py:378
 msgid "{} has been shared with you"
 msgstr "{} ist nun für Sie freigegeben"
 
 #: compensation/views/eco_account_views.py:624 ema/views.py:529
-#: intervention/views.py:386
+#: intervention/views.py:385
 msgid "Share link invalid"
 msgstr "Freigabelink ungültig"
 
 #: compensation/views/eco_account_views.py:647 ema/views.py:552
-#: intervention/views.py:409
+#: intervention/views.py:408
 msgid "Share settings updated"
 msgstr "Freigabe Einstellungen aktualisiert"
 
@@ -1257,46 +1257,57 @@ msgstr "Freigabelink"
 msgid "Send this link to users who you want to have writing access on the data"
 msgstr "Andere Nutzer erhalten über diesen Link Zugriff auf die Daten"
 
-#: intervention/forms/modalForms.py:43
+#: intervention/forms/modalForms.py:40
+msgid "Add user to share with"
+msgstr "Nutzer direkt hinzufügen"
+
+#: intervention/forms/modalForms.py:42
+msgid ""
+"Multiple selection possible - You can only select users which do not already "
+"have access"
+msgstr ""
+"Mehrfachauswahl möglich - Sie können nur Nutzer wählen, für die der Eintrag noch nicht freigegeben wurde"
+
+#: intervention/forms/modalForms.py:58
 msgid "Remove check to remove access for this user"
 msgstr "Wählen Sie die Nutzer ab, die keinen Zugriff mehr haben sollen"
 
-#: intervention/forms/modalForms.py:55
+#: intervention/forms/modalForms.py:70
 msgid "Share settings for {}"
 msgstr "Freigabe Einstellungen für {}"
 
-#: intervention/forms/modalForms.py:109
+#: intervention/forms/modalForms.py:124
 msgid "Date of revocation"
 msgstr "Datum des Widerspruchs"
 
-#: intervention/forms/modalForms.py:120
+#: intervention/forms/modalForms.py:135
 #: intervention/templates/intervention/detail/includes/revocation.html:35
 msgid "Document"
 msgstr "Dokument"
 
-#: intervention/forms/modalForms.py:123 konova/forms.py:364
+#: intervention/forms/modalForms.py:138 konova/forms.py:364
 msgid "Must be smaller than 15 Mb"
 msgstr "Muss kleiner als 15 Mb sein"
 
-#: intervention/forms/modalForms.py:147
+#: intervention/forms/modalForms.py:162
 #: intervention/templates/intervention/detail/includes/revocation.html:18
 msgid "Add revocation"
 msgstr "Widerspruch hinzufügen"
 
-#: intervention/forms/modalForms.py:189
+#: intervention/forms/modalForms.py:204
 msgid "Checked intervention data"
 msgstr "Eingriffsdaten geprüft"
 
-#: intervention/forms/modalForms.py:195
+#: intervention/forms/modalForms.py:210
 msgid "Checked compensations data and payments"
 msgstr "Kompensationen und Zahlungen geprüft"
 
-#: intervention/forms/modalForms.py:203
+#: intervention/forms/modalForms.py:218
 #: intervention/templates/intervention/detail/includes/controls.html:19
 msgid "Run check"
 msgstr "Prüfung vornehmen"
 
-#: intervention/forms/modalForms.py:204 konova/forms.py:449
+#: intervention/forms/modalForms.py:219 konova/forms.py:449
 msgid ""
 "I, {} {}, confirm that all necessary control steps have been performed by "
 "myself."
@@ -1304,23 +1315,23 @@ msgstr ""
 "Ich, {} {}, bestätige, dass die notwendigen Kontrollschritte durchgeführt "
 "wurden:"
 
-#: intervention/forms/modalForms.py:262
+#: intervention/forms/modalForms.py:277
 msgid "Only recorded accounts can be selected for deductions"
 msgstr "Nur verzeichnete Ökokonten können für Abbuchungen verwendet werden."
 
-#: intervention/forms/modalForms.py:289
+#: intervention/forms/modalForms.py:304
 msgid "Only shared interventions can be selected"
 msgstr "Nur freigegebene Eingriffe können gewählt werden"
 
-#: intervention/forms/modalForms.py:302
+#: intervention/forms/modalForms.py:317
 msgid "New Deduction"
 msgstr "Neue Abbuchung"
 
-#: intervention/forms/modalForms.py:303
+#: intervention/forms/modalForms.py:318
 msgid "Enter the information for a new deduction from a chosen eco-account"
 msgstr "Geben Sie die Informationen für eine neue Abbuchung ein."
 
-#: intervention/forms/modalForms.py:336
+#: intervention/forms/modalForms.py:351
 msgid ""
 "Eco-account {} is not recorded yet. You can only deduct from recorded "
 "accounts."
@@ -1328,7 +1339,7 @@ msgstr ""
 "Ökokonto {} ist noch nicht verzeichnet. Abbuchungen können nur von "
 "verzeichneten Ökokonten erfolgen."
 
-#: intervention/forms/modalForms.py:349
+#: intervention/forms/modalForms.py:364
 msgid ""
 "The account {} has not enough surface for a deduction of {} m². There are "
 "only {} m² left"
@@ -1431,35 +1442,35 @@ msgstr ""
 "Kein Ausgleich jeglicher Art gefunden (Kompensation, Ersatzzahlung, "
 "Abbuchung)"
 
-#: intervention/views.py:80
+#: intervention/views.py:79
 msgid "Intervention {} added"
 msgstr "Eingriff {} hinzugefügt"
 
-#: intervention/views.py:244
+#: intervention/views.py:243
 msgid "This intervention has {} revocations"
 msgstr "Dem Eingriff liegen {} Widersprüche vor"
 
-#: intervention/views.py:292
+#: intervention/views.py:291
 msgid "Intervention {} edited"
 msgstr "Eingriff {} bearbeitet"
 
-#: intervention/views.py:327
+#: intervention/views.py:326
 msgid "{} removed"
 msgstr "{} entfernt"
 
-#: intervention/views.py:348
+#: intervention/views.py:347
 msgid "Revocation removed"
 msgstr "Widerspruch entfernt"
 
-#: intervention/views.py:430
+#: intervention/views.py:429
 msgid "Check performed"
 msgstr "Prüfung durchgeführt"
 
-#: intervention/views.py:452
+#: intervention/views.py:451
 msgid "Revocation added"
 msgstr "Widerspruch hinzugefügt"
 
-#: intervention/views.py:523
+#: intervention/views.py:522
 msgid "There are errors on this intervention:"
 msgstr "Es liegen Fehler in diesem Eingriff vor:"
 
@@ -3141,6 +3152,9 @@ msgstr ""
 msgid "A fontawesome icon field"
 msgstr ""
 
+#~ msgid "Share with user"
+#~ msgstr "Freigeben für Nutzer"
+
 #~ msgid "Fundings"
 #~ msgstr "Förderungen"